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109623136 = 257489389
BaseRepresentation
bin1101000100010…
…11011101100000
321122021102200011
412202023131200
5211030420021
614513334304
72500531660
oct642133540
9248242604
10109623136
1156974537
1230867394
131993297c
14107b81a0
159955de1
hex688b760

109623136 has 24 divisors (see below), whose sum is σ = 246652560. Its totient is φ = 46981248.

The previous prime is 109623109. The next prime is 109623167. The reversal of 109623136 is 631326901.

It is a junction number, because it is equal to n+sod(n) for n = 109623098 and 109623107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244471 + ... + 244918.

It is an arithmetic number, because the mean of its divisors is an integer number (10277190).

Almost surely, 2109623136 is an apocalyptic number.

109623136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109623136 is an abundant number, since it is smaller than the sum of its proper divisors (137029424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109623136 is an equidigital number, since it uses as much as digits as its factorization.

109623136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489406 (or 489398 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 109623136 is about 10470.1067807353. The cubic root of 109623136 is about 478.5941736657.

The spelling of 109623136 in words is "one hundred nine million, six hundred twenty-three thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 489389 978778 1957556 3425723 3915112 6851446 7830224 13702892 15660448 27405784 54811568 109623136